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mfd: wm5102: Add tuning for revision B
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Evaluation of revision B of WM5102 suggests updates to the register patch
for optimal performance, and make this the default behaviour for new
devices.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Mark Brown authored and Samuel Ortiz committed Dec 2, 2012
1 parent 62d62b5 commit 3748f19
Showing 1 changed file with 15 additions and 1 deletion.
16 changes: 15 additions & 1 deletion drivers/mfd/wm5102-tables.c
Original file line number Diff line number Diff line change
Expand Up @@ -573,6 +573,18 @@ static const struct reg_default wm5102_reva_patch[] = {
{ 0x80, 0x0000 },
};

static const struct reg_default wm5102_revb_patch[] = {
{ 0x80, 0x0003 },
{ 0x081, 0xE022 },
{ 0x410, 0x6080 },
{ 0x418, 0x6080 },
{ 0x420, 0x6080 },
{ 0x428, 0xC000 },
{ 0x441, 0x8014 },
{ 0x458, 0x000b },
{ 0x80, 0x0000 },
};

/* We use a function so we can use ARRAY_SIZE() */
int wm5102_patch(struct arizona *arizona)
{
Expand All @@ -582,7 +594,9 @@ int wm5102_patch(struct arizona *arizona)
wm5102_reva_patch,
ARRAY_SIZE(wm5102_reva_patch));
default:
return 0;
return regmap_register_patch(arizona->regmap,
wm5102_revb_patch,
ARRAY_SIZE(wm5102_revb_patch));
}
}

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